Well, i decided to check if the carb is clean first. I took it out and there is no dirt in it, but the CFI (not the guy who cart wheeled it) told me to take out all the needles, than clean it with degreaser or WD 40. Then, use compressed air and pump some fresh fuel through the needle openings. However, the tine screw in the tnrottle arm(low end I think) wont come out all the way. Shoukd I still use the WD 40, or will that damage the low enc needle? Also, I need to buy after run oil, but is there some oil that eill do as a replacament for now? I have lots of kitchen oils and 2 stroke engine oil, aswell as hydraulic oil.